D6-Diuron, 100 µg/ml, Acetonitrile, 1ml

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml

a-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

Desmetryn, 100 µg/ml, Toluene, 5ml